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Model Design Of Power Network Line Loss Calculation And Application Development

Posted on:2013-11-13Degree:MasterType:Thesis
Country:ChinaCandidate:J WangFull Text:PDF
GTID:2232330371490620Subject:Control theory and control engineering
Abstract/Summary:PDF Full Text Request
When the power supply enterprises assessed the quality of power network, they always take the power distribution network line loss as a very important economic and technical indexes, the line loss is the main content of assessment. Meanwhile, At the same time, the development of the market economy also calls for maximum efficiency of utilization of the resources, energy conservation and emission reductions, reduce energy consumption. Therefore, the calculation of power distribution network line loss is significant, and line loss calculation can provide a very important guiding role to the formulate the program of the power supply enterprises.This paper combined the author’s work experience to propose a method of line loss calculation model based on the improvement PSO optimized the BP neural network, and took some simulation for the algorithm. As the same time, designed the line loss calculation management system of application development.This paper first introduced the details of the background, purpose and significant of the research subject, reviewed the current domestic and international research status of the line loss calculation. It is explanation the basic concept of power line loss and the foundation theoretical knowledge. Simply introduced the commonly methods of line loss calculation of the power supply enterprises. Finally expounded some frequently used loss reduction measures of the power supply enterprise.Secondly, this paper puts forward a model of calculating the power distribution network line loss. Used the improvement PSO algorithm to optimize the BP neural network and took the error function of BP neural network as the fitness function to evaluate. By the update of position and speed, realized the optimization of the weight and threshold value of the BP. Tested and simulated the weight and threshold value by the testing sample. In the modeling process, the training samples need FCM clustered and data normalized. Finally, used the Matlab simulated the test sample by the model and took some analysis to the result.At last, according to the characteristics of the large amount of data and the difficult statistical analysis of the power distribution network, Used the SQL2005to design the database and developed the line loss statistical management application by Delphi7, achieved the inquiry, statements, statistical analysis, and other functions of the power distribution line loss calculation.
Keywords/Search Tags:Line Loss Calculation, PSO, BP Neural network, Line Lossstatistical Management System
PDF Full Text Request
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